3037681

Information

• Patent Grant
• 3037681

• References
• Source

• Patent Number

  3,037,681

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1962
  62 years ago

• CPC

  • B65D5/103 - one of the self-locking flaps having a tongue engaging into an opening of an opposite flap
  • Y10S206/807 - Tamper proof
  • Y10S229/935 - No waste
  • Y10S229/936 - Three or more blanks with alternating orientations

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes
  • 206 - Special receptacle or package